KEY POINTS
  • Tuesday was declared a national day of mourning and the funerals of some of the victims were held as pressure mounted on the government over why effective action had not been taken.
  • Police said the number of people arrested since Sunday had risen to 40, most of them Sri Lankans.
Officials inspect the damaged St. Sebastian's Church after multiple explosions targeting churches and hotels across Sri Lanka on April 21, 2019 in Negombo, north of Colombo, Sri Lanka.

Devastating Easter bombings in Sri Lanka were retaliation for recent deadly attacks on mosques in New Zealand, a Sri Lankan official said on Tuesday, adding that two domestic Islamist groups were believed to have been behind Sunday's blasts.

No group has claimed responsibility for the coordinated attacks, which officials said were carried out by at least seven suicide bombers, on three churches and four hotels. The toll rose to 321 dead with about 500 people wounded.